18ХГТ / 18HGT

Apvalus strypai
nuo Ø20mm iki Ø450mm

 

Description:

Carburizing steel

 

Application:

for loaded parts with high core strength: gear wheels, shafts

 

Chemical composition [%]

C Mn Si P S Cr Ni Mo W V Co Cu
0,17-0,23 0,8-1,1 0,17-0,37 max 0,35 max 0,35 1-1,3 max 0,3 max 0,2 max 0,05 max 0,3

 

Equivalents

PN W. nr EN AISI Russia (GOST) Other
18HGT 18ChGT

 

Processes

welding YES
forging YES
rolling YES
nitriding YES
hardening YES temp. 850 – 880 [°C]
tempering YES temp. 150 – 200 [°C]

 

Hardness

after softening 215 HB
Rm 980 MPa
Re 830 MPa